os-ken/ryu/app/rest_topology.py
Satoshi Kobayashi aecc7b0af5 rest_topology: use decorator api
Signed-off-by: Satoshi Kobayashi <satoshi-k@stratosphere.co.jp>
Reviewed-by: YAMADA Hideki <yamada.hideki@po.ntts.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2014-05-24 10:52:55 +09:00

94 lines
3.0 KiB
Python

# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
from webob import Response
from ryu.app.wsgi import ControllerBase, WSGIApplication, route
from ryu.base import app_manager
from ryu.lib import dpid as dpid_lib
from ryu.topology.api import get_switch, get_link
# REST API for switch configuration
#
# get all the switches
# GET /v1.0/topology/switches
#
# get the switch
# GET /v1.0/topology/switches/<dpid>
#
# get all the links
# GET /v1.0/topology/links
#
# get the links of a switch
# GET /v1.0/topology/links/<dpid>
#
# where
# <dpid>: datapath id in 16 hex
class TopologyAPI(app_manager.RyuApp):
_CONTEXTS = {
'wsgi': WSGIApplication
}
def __init__(self, *args, **kwargs):
super(TopologyAPI, self).__init__(*args, **kwargs)
wsgi = kwargs['wsgi']
wsgi.register(TopologyController, {'topology_api_app': self})
class TopologyController(ControllerBase):
def __init__(self, req, link, data, **config):
super(TopologyController, self).__init__(req, link, data, **config)
self.topology_api_app = data['topology_api_app']
@route('topology', '/v1.0/topology/switches',
methods=['GET'])
def list_switches(self, req, **kwargs):
return self._switches(req, **kwargs)
@route('topology', '/v1.0/topology/switches/{dpid}',
methods=['GET'], requirements={'dpid': dpid_lib.DPID_PATTERN})
def get_switch(self, req, **kwargs):
return self._switches(req, **kwargs)
@route('topology', '/v1.0/topology/links',
methods=['GET'])
def list_links(self, req, **kwargs):
return self._links(req, **kwargs)
@route('topology', '/v1.0/topology/links/{dpid}',
methods=['GET'], requirements={'dpid': dpid_lib.DPID_PATTERN})
def get_links(self, req, **kwargs):
return self._links(req, **kwargs)
def _switches(self, req, **kwargs):
dpid = None
if 'dpid' in kwargs:
dpid = dpid_lib.str_to_dpid(kwargs['dpid'])
switches = get_switch(self.topology_api_app, dpid)
body = json.dumps([switch.to_dict() for switch in switches])
return Response(content_type='application/json', body=body)
def _links(self, req, **kwargs):
dpid = None
if 'dpid' in kwargs:
dpid = dpid_lib.str_to_dpid(kwargs['dpid'])
links = get_link(self.topology_api_app, dpid)
body = json.dumps([link.to_dict() for link in links])
return Response(content_type='application/json', body=body)